FIRE & FURY How war with North Korea could be the bloodiest in history if Kim Jong-un unleashes arsenal of nukes & chemical weapons WAR with North Korea could be the bloodiest in history if Kim Jong-un unleashes his arsenal of nukes and chemical weapons, experts warn. America has sent a nuclear submarine to the South for the first time in decades as the drums of war begin to beat on the Korean peninsula. 7 It's feared Kim Jong-un could unleash his deadly arsenal Credit: AP 7 Tensions are ramping up on the Korean peninsula after a flurry of missile…